Startups showing Optimism as a customer

4 of the 1,841 startups whose homepage shows customer logos include Optimism's logo in a section the page labels as customers.

All startups showing it (latest capture)

A logo on a startup's website is the startup's own claim, not a confirmed customer relationship. How this is counted.

StartupHistory, “Startups showing Optimism as a customer”, https://startuphistory.org/logos/optimism (accessed 8 November 2026)